Web Reference: Master every Ruby array method with practical examples. Covers creating, accessing, searching, transforming, sorting, and iterating arrays plus performance tips and common idioms. You’ll learn the different ways of sorting an array, starting with the sort method, then taking a look at sort_by for advanced sorting (by multiple values) & more. Arrays are ordered, integer-indexed collections of any object. Array indexing starts at 0, as in C or Java. A negative index is assumed to be relative to the end of the array—that is, an index of -1 indicates the last element of the array, -2 is the next to last element in the array, and so on.
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